Lesson 1.4 Earth's Subsystems
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (17 张)
is a mixture of gases that surround the planet.
Atmosphere
the amount of matter is fixed
Closed System
volcano that erupted in 1991 wherein nearly 20 million tons of sulfur dioxide was ejected into the atmosphere
Mt. Pinatubo
Four Basic Subsystems
Geosphere Hydrosphere Atmosphere Biosphere
the totality of Earth’s water
Hydrosphere
permanently frozen parts
cryosphere
and loose particles of rocks that blanket the surface of Earth
regolith
mixture of gases in atmosphere
nitrogen, oxygen, argon, carbon dioxide, and water vapor
includes all life forms and even organic matter that has not yet decomposed
Biosphere
refers to the solid Earth
Geosphere
naturally-occurring solid aggregate of minerals, organic material, or natural gases
rocks
Biotic
biosphere
Abiotic
lithosphere, atmosphere, and hydrosphere
pathways by which chemical substances move through both biotic and abiotic components of earth
Biogeochemical cycle
a process wherein water from the ground is absorbed by plants
Osmosis
water is released from plants into the atmosphere
Transpiration
water vapor in the atmosphere that falls
Precipitation